 # 8.06 Measure and estimate mass

Lesson

Think about a feather and an elephant. Which one of those items do you think would be heavier?

## Learn

This video introduces the units of grams and kilograms and discusses the types of objects that would be measured by these units.

### Apply

##### question 1

Which unit is best to measure the mass of this cup of flour? 1. Kilograms

A

Grams

B

Kilograms

A

Grams

B

## Learn

This video looks at measuring the mass of objects using a scale. Key considerations are how to identify the scale used and how it is similar to a number line.

### Apply

##### question 2

The scale below shows an object balanced evenly with a particular weight. 1. The following weights were on the scale:      What is the total mass of the object?

## Learn

We may not always need to know the exact mass of an object, especially if we can compare our object to other objects. This video looks at objects using grams (g) and kilograms (kg).

### Apply

##### question 3

Choose the best estimate for the mass of a baby.

1. $45$45 kg

A

$95$95 kg

B

$25$25 kg

C

$2$2 kg

D

$45$45 kg

A

$95$95 kg

B

$25$25 kg

C

$2$2 kg

D

Remember!

A gram has a mass similar to a piece of paper, or a feather.

A kilogram has a mass similar to a $1$1 litre bottle of milk or juice.

### Outcomes

#### VCMMG165

Use scaled instruments to measure and compare lengths, masses, capacities and temperatures